The diagram below (not to scale) shows a symmetrical arrangement of conductors in a 500m long 3-phase distribution line on a factory site. The individual conductors have a radius of 20mm and are arranged at the corners of an equilateral triangle with a distance between conductor centers (labelled D in the diagram) of 1000mm. The line is located in air which has a permitivity of 8.85-10-12 F/m. Which of the following corresponds to the capacitance of one phase to neutral for this 500m long section of line? D D D OA711x10- OB 1.42 x 10-8 F Oc1.42 x 10-11 F Op. 1.60µF S

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The diagram below (not to scale) shows a symmetrical arrangement of conductors in a 500m long 3-phase distribution line on a factory site. The individual conductors have a radius of 20mm and are arranged at the corners of an equilateral triangle with a distance between conductor centers (labelled D in the diagram) of 1000mm. The line is located in air which
has a permittivity of 8.85x10-12 F/m. Which of the following corresponds to the capacitance of one phase to neutral for this 500m long section of line ?
D
D
D
OA7.11×10-9 F
OB. 1.42 x 10-8 F
OC. 1.42 x 10-11 F
OD. 1.60μF
Transcribed Image Text:The diagram below (not to scale) shows a symmetrical arrangement of conductors in a 500m long 3-phase distribution line on a factory site. The individual conductors have a radius of 20mm and are arranged at the corners of an equilateral triangle with a distance between conductor centers (labelled D in the diagram) of 1000mm. The line is located in air which has a permittivity of 8.85x10-12 F/m. Which of the following corresponds to the capacitance of one phase to neutral for this 500m long section of line ? D D D OA7.11×10-9 F OB. 1.42 x 10-8 F OC. 1.42 x 10-11 F OD. 1.60μF
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